Σ index Eq pack 19 Eq pack 13 Σ#12 Batch 22 Matrix 17 Σ#24 Batch 10 Ledger /9 Rxn set 8 Eq pack 25 Σ#18 Rxn set 26 Rxn set 14 Matrix 5 Ledger /3 Matrix 23

Field Notes / Σ /sym/3cad98

id=1 · host=formula-vault.cloud · 2026-10-19 20:27Z

\binom{n}{k} = \frac{n!}{k!(n-k)!}

e^{i\pi} + 1 = 0

46K

∇ × E = −∂B/∂t

468K

CaCO₃ → CaO + CO₂

\binom{n}{k} = \frac{n!}{k!(n-k)!}

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e^{i\pi} + 1 = 0

278K

e^{i\pi} + 1 = 0

d/dt [t^3] = 3t^2

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H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

177K

∂x/∂r = 4x

\lim_{ω\to 0} \frac{\sin ω}{ω} = 1

358K

8ψ² + 7ψ + 0 = 0

121K

∑_{k=1}^{n} k = n(n+1)/2

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F = G m₁m₂ / r²

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